AWG Wire Gauge Information

AWG American Wire Gauge to mm²

AWGmm²AWGmm²
30 0.05 20 0.50
28 0.08 18 0.75
26 0.14 17 1.0
24 0.20 16 1.31
23 0.25 14 2.11
22 0.34 12 3.29
21 0.38 10 6.0


AWG is used in the United States and other countries as a standard method of denoting wire diameter. The higher the AWG number the thinner the wire. Thicker wires (lower number AWG) are generally capable of carrying larger amount of current over greater distances with less loss.